Remove trailing whitespace

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
diff --git a/tests/scripts/check-generated-files.sh b/tests/scripts/check-generated-files.sh
index 410f44e..3fe4e8c 100755
--- a/tests/scripts/check-generated-files.sh
+++ b/tests/scripts/check-generated-files.sh
@@ -32,7 +32,7 @@
 
 if in_mbedtls_repo; then
     library_dir='library'
-elif in_tf_psa_crypto_repo; then 
+elif in_tf_psa_crypto_repo; then
     library_dir='core'
 else
     echo "Must be run from Mbed TLS root or TF-PSA-Crypto root" >&2